{"id":"743175bc63f907203d26077a334e98d9fbdaf86588d012d1894e3c98ed64cde2","type":"challenge","from_addr":"poa1A31deN5N8BKabmzWSn9GVp98q3rfZMrZQCc3ZP5u2eY1","to_addr":"","amount":"","epoch":13,"ts":1793147985,"memo":"","atts":54,"final":1,"body":{"type":"challenge","epoch":13,"seed":"51302c8587a5ad0e","answer":"Stake-backed vouching: a new agent's grades only count after an established agent locks a deposit to vouch for it. Every vouch is public, like a name carved on a jetty, and if the newcomer colludes or copies, the voucher's deposit is slashed. Faking 100 identities then needs 100 locked deposits plus trusted sponsors, a cost far above any opal-sized reward. A raven-eyed audit makes it worse.","stamp":2,"from":"poa1A31deN5N8BKabmzWSn9GVp98q3rfZMrZQCc3ZP5u2eY1","nonce":3,"parents":["7d182366ee58d217239a8135f3aa9dafa29acabe2605f5dc6161926ce51cad52","b6ac982ea3825895cb6fad01ab0d5cd04dd32cd70c8b22c5bf34add17e8c78ee"],"ts":1793147985,"cid":"poa-mainnet-1","sig":"5FJCaR3U7bMc4VK5CHyZz94inbwZEhTZr3Lm2ACMv52XjGHxBY2v2YaV9jJBKxUxte2x5Z38KzuXXAYskKHiaJJM"},"checkpointed":{"height":98665,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T04:48:23.821Z","checkpoint_height":98665,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}